The control principle of the vacuum freeze drier with a computer and PLC is introduced, and the composition of the hardware and software are presented.
介绍了用计算机和可编程序控制器(PLC)对真空冷冻干燥机控制的原理，以及硬件和软件的组成。
3
The drier belongs to static vacuum one. Therefore the shape of raw material to be dryed can not be damaged.